Certainly looks like a valid use of transients. Might be related to
http://dev.clojure.org/jira/browse/CLJ-829 but I dunno.
On Sep 16, 9:55 am, Sergey Didenko <sergey.dide...@gmail.com> wrote:
> When I convert the following code to use transients it returns
> different result. Am I doing anything wrong or is it a bug in
> transients?
>
> (defn tt []
> (loop [i 0 tset #{}]
> (if (= i (int 5e5))
> (count tset)
> (recur (inc i)
> (let [nn (rem (* i (int 1e3)) 131071)
> plus (count (filter #(contains? tset %) (range nn
> (+ nn 10))))
> ]
> (conj tset (+ plus nn)))))))
> (tt)
>
> 131074
>
> (defn tt []
> (loop [i 0 tset (transient #{})]
> (if (= i (int 5e5))
> (count (persistent! tset))
> (recur (inc i)
> (let [nn (rem (* i (int 1e3)) 131071)
> plus (count (filter #(contains? tset %) (range nn
> (+ nn 10))))
> ]
> (conj! tset (+ plus nn)))))))
> (tt)
>
> 131071
>
> P.S. Tested under 1.3-RC0 and 1.2.1
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